# Copyright (c) 2024 Intel Corporation
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#      http://www.apache.org/licenses/LICENSE-2.0
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

from typing import Any, Dict

import tensorflow as tf

from nncf.api.compression import CompressionLoss


class TFZeroCompressionLoss(CompressionLoss):
    def calculate(self, *args, **kwargs) -> Any:
        return tf.constant(0.0)

    def load_state(self, state: Dict[str, Any]) -> None:
        pass

    def get_state(self) -> Dict[str, Any]:
        return {}
